Dell PowerVault MD1220 Technical Manualbook - Page 22
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Also for Dell PowerVault MD1220: Update Manual (32 pages), Rack Installation Instructions (2 pages), Setting Up (2 pages)
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6.2 Environmental Specifications
Temperature
Operating
Storage
Relative Humidity
Operating
Storage
Maximum Vibration
Operating
Storage
Maximum Shock
Operating
Storage
Altitude
Operating
Storage
Airborne Contaminant Level
Class
7 Rack Information
7.1 Overview
The chassis dimensions shall adhere to CEA‐310‐E and Server System Infrastructure (SSI)
specifications. Dimensional constraints of the chassis require that the chassis be 2U in height, and
comply in width to fit a Dell™ rack. Drives are accessible from the front, while power supply/fan
modules, backplane, and EMMs are accessible from the rear.
7.2 Rack Rail Kit
Provisions for a rack rail kit are incorporated into the chassis design. The chassis, front panel, and rack
kit, when fully assembled together and placed in a rack, must be in compliance with DELL™ Rack
Design Guidelines Version 1.1. All critical envelope dimensions referenced in this document assume
the inclusion of the rack kit and bezel. Both VersaRail and RapidRail kits are available.
** Available in Q3 2010
Table 13.
Environmental Specifications
10° to 35°C (50° to 95°F) with a maximum temperature gradation
of 10°C per hour
Note: For altitudes above 2950 feet, the maximum operating
temperature is de-rated 1°F/550 ft.
-40° to 65°C (-40° to 149°F) with a maximum temperature
gradation of 20°C per hour
20% to 80% (non-condensing) with a maximum humidity
gradation of 10% per hour
5% to 95% (non-condensing) with a maximum humidity gradation
of 10% per hour
0.25 G at 3 – 200 Hz for 15 min
0.5 at 3 – 200 Hz for 15 min
One shock pulse in the positive z axis (one pulse on each side of
the system) of 31 G for 2.6 ms in the operational orientation
Six consecutively executed shock pulses in the positive and
negative x, y, and z axes (one pulse on each side of the system)
of 71 G for up to 2 ms
-16 to 3048 m (-50 to 10,000 ft)
Note: For altitudes above 2950 feet, the maximum operating
temperature is de-rated 1°F/550 ft.
-16 to 10,600 m (-50 to 35,000 ft)
G2 or lower as defined by ISA-S71.04-1985
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